Anterior Spinal Artery SyndromeSpinal Cord Vascular DiseasesInfarctionSpinal CordVertebral ArteryArteriesHypesthesiaAngiographySpinal Cord DiseasesParaplegiaSpinal Cord InjuriesVertebral Artery DissectionSpineSubarachnoid HemorrhageAneurysm, RupturedMagnetic Resonance ImagingPulmonary ArteryCarotid ArteriesCerebral ArteriesFemoral ArteryRenal ArteryMesenteric ArteriesBasilar ArteryInjections, SpinalSpinal NervesAnesthesia, SpinalIliac ArteryCoronary Artery BypassSpinal Nerve RootsSpinal Cord NeoplasmsRadial ArterySpinal CanalMammary ArteriesSpinal DiseasesSpinal Cord CompressionCarotid Artery, InternalSubclavian ArterySpinal NeoplasmsCarotid Artery DiseasesSpinal StenosisSplenic ArteryBrachial ArterySpinal FusionHepatic ArteryCarotid Artery, CommonCoronary VesselsCeliac ArteryOphthalmic ArteryMesenteric Artery, SuperiorSpinal InjuriesMuscular Atrophy, SpinalThoracic ArteriesUmbilical ArteriesMiddle Cerebral ArteryRenal Artery ObstructionSpinal Cord IschemiaTemporal ArteriesBronchial ArteriesGanglia, SpinalPopliteal ArteryUlnar ArteryRats, Sprague-DawleyTime FactorsUterine ArteryTreatment OutcomeCoronary AngiographyCarotid Artery, ExternalMotor NeuronsVasodilationTomography, X-Ray ComputedThoracic VertebraeTuberculosis, SpinalArterial Occlusive DiseasesCarotid Artery InjuriesMuscle, Smooth, VascularVasoconstrictionLaminectomySpinal CurvaturesCoronary DiseaseCervical VertebraeHematoma, Epidural, SpinalDisease Models, AnimalPosterior Horn CellsEndothelium, VascularInfarction, Middle Cerebral ArteryAxillary ArteryLumbosacral RegionRetinal Artery Occlusion